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Finding the Fourth Proportional to 433,181.58, 649,883.20 and 166,870.60

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Solution

The fourth proportional to 433,181.58, 649,883.20 and 166,870.60 is: 250,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,181.58 : 649,883.20 = 166,870.60 : x
  2. Step 2: Convert to fraction form
    433,181.58/649,883.20 = 166,870.60/x
  3. Step 3: Cross multiply
    433,181.58x = 649,883.20 × 166,870.60
  4. Step 4: Simplify right side
    433,181.58x = 108,446,399,513.92
  5. Step 5: Solve for x
    x = 108,446,399,513.92/433,181.58
  6. Step 6: Final answer
    x = 250,348.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.